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Highly Stable Silver Nanoplates for Surface Plasmon Resonance Biosensing
Author(s) -
Gao Chuanbo,
Lu Zhenda,
Liu Ying,
Zhang Qiao,
Chi Miaofang,
Cheng Quan,
Yin Yadong
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201108971
Subject(s) - surface plasmon resonance , biosensor , materials science , nanotechnology , coating , plasmon , surface plasmon , nanorod , optoelectronics , nanoparticle
An SPR biosensor was developed by employing highly stable Au‐protected Ag nanoplates (NP) as enhancers (see picture). Superior performance was achieved by depositing a thin and uniform coating of Au on the Ag surface while minimizing disruptive galvanic replacement and retaining the strong surface plasmon resonance (SPR) of the silver nanoplates.